#include<stdio.h>
#include<conio.h>
#include<math.h>
int main()
{
	float a,b;
	float tong;
	printf("\n nhap hai so: ");
	scanf("%f%f",&a, &b);
	printf("\n tinh tong hai so");
	scanf("%f",&1);
	    
		tong=a+b;
		printf("\n tong hai so la: %f",tong);
	getch();
}
